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Number of neutrons = Mass number - Atomic number = 235 - 92 = 147 neutrons
The atomic number of uranium is 92. The number of neutrons of the isotope uranium-235 is 143.
A stable isotope of uranium-235 contains 143 neutrons.
For example the isotope uranium-235 contain 92 protons and electrons, 143 neutrons.
143 neutrons
Uranium has 92 electrons and protons.Uranium-234 has 142 neutrons, uranium-235 has 143 neutrons and uranium-238 has 146 neutrons.
143 & 146
There are 143 neutrons.
Uranium-235 has 143 neutrons; uranium-238 has 146 neutrons. Each isotope has a different number of neutrons.
Uranium-235 is a natural isotope with 143 neutrons. Uranium-231 is an artificial isotope with 139 neutrons.
The main difference is in the number of neutrons present in the nucleus. Uranium-235 has 143 neutrons, while uranium-238 has 146 neutrons. This leads to differences in their relative abundance and stability.
The main difference between uranium-235 and uranium-238 is their atomic masses. Uranium-235 has 235 atomic mass units (AMU) while uranium-238 has 238 AMU. This difference in mass is due to the number of neutrons in the nucleus of each isotope.